Fish nasal immunity: From mucosal vaccines to neuroimmunology. Issue 104 (September 2020)

• Record Type: Journal Article
• Authors: Das, Pankoj Kumar; Salinas, Irene
• Is Part Of: Fish & shellfish immunology. Issue 104(2020)
• Page Start: 165
• Page End: 171
• Publication Date: 2020-09
• Subjects: Teleosts -- Nasal immunity -- Mucosal immunity -- NALT -- Nasal vaccines -- Neuroimmunology; Fishes -- Immunology -- Periodicals; Shellfish -- Immunology -- Periodicals; Poissons -- Immunologie -- Périodiques; Crustacés -- Immunologie -- Périodiques; 571.9617
• DOI: 10.1016/j.fsi.2020.05.076
• Languages: English
• ISSNs: 1050-4648

Abstract

Abstract: Like terrestrial vertebrates, bony fishes have a nasopharynx-associated lymphoid tissue (NALT) that protects the host against invading pathogens. Despite nasal immunity being a relatively new field in fish immunology, the investigation of nasal immune systems has already illuminated fundamental aspects of teleost mucosal immune systems as well as neuroimmunology. In this review, we highlight the importance of nasal infections in bony fish and the progress that has been made towards understanding how fish respond locally and systemically to nasal infection or vaccination. We also want to highlight the complex interactions between neurons and immune cells that occur in the olfactory organ during the course of an immune response. We predict that similar neuroimmune interactions govern immune responses at all mucosal tissues in bony fish. Understanding the principles of mucosal immune responses in teleost NALT has therefore revealed important aspects of fish mucosal immunity that are critical for mucosal vaccination in aquaculture. Highlights: Teleosts have a nasopharynx-associated lymphoid tissue (NALT). Rainbow trout NALT is now well-studied in the context of nasal vaccination. Nasal vaccination has unveiled fundamental neuroimmune interactions in teleosts. Repertoire analyses of fish NALT reveal local B cell responses to vaccination.